# Quadratic Graphs: Question Preview (ID: 9237)

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**Given y = 2(x-1)² +1, the equation for its line of symmetry is**

a) x = 1

b) x = - 1

c) y = 1

d) y= - 1

**Given y = 2(x-1)² +1, what is kind of graph is this?**

a) linear graph

b) parabolic graph

c) parametric graph

d) polar graph

**Given y = 3x², what will happen to the graph when the coefficient of x² becomes 1?**

a) The graph will shift upward.

b) The graph will shift downward.

c) The graph will open outward.

d) The graph will squeeze inward or narrower.

**Which of the following is True of y = x²?**

a) It has a minimum turning point.

b) It has a maximum turning point.

c) It has no turning point.

d) It has an inflexion point.

**Given y = ax², what is the shape of the graph when**

a) A V-shaped curve

b) An inverted V-shaped curve

c) A U-shaped curve

d) An inverted u-shaped curve

**Given y = 2x², the equation for the line of symmetry for this graph is**

a) x = - 2

b) x = 0

c) y = 2

d) y = 0

**What is the general shape of parabolas?**

a) circle

b) s-shape

c) straight line

d) U-shape

**In standard form, a _______ function is written as y = ax² + bx + c**

a) absolute value

b) cubic

c) linear

d) quadratic

**Given y = 2(x + 4)² -1, the coordinates of the turning point are**

a) ( 1, 4)

b) ( -1, - 4)

c) ( 4, 1)

d) ( - 4, - 1)

**This curve, y=x² - 5x + 7, has what kind of roots?**

a) equal roots

b) imaginary roots

c) two roots

d) three roots

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